(19)

(11)

EP 3 941 538 A1

(12)

(43) Date of publication: 26.01.2022 Bulletin 2022/04 (21) Application number: 20773414.6 (22) Date of filing: 19.03.2020

(51) International Patent Classification (IPC):  A61L 2/20(2006.01) A61M 16/00(2006.01) A61L 9/015(2006.01) (52) Cooperative Patent Classification (CPC): A61L 2202/24; A61M 2209/10; A61L 2202/11; A61L 2202/14; A61L 2/202; A61M 16/06; A61L 2202/15; A61M 2205/7509; A61M 2205/7518 (86) International application number: PCT/US2020/023631 (87) International publication number: WO 2020/191194 (24.09.2020 Gazette 2020/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.03.2019 US 201962820624 P 05.09.2019 US 201962896117 P 21.02.2020 US 202062979551 P (71) Applicant: SoClean, Inc. Peterborough, NH 03458 (US)	(72) Inventors: MAW, Kurt Michael Salem, Massachusetts 01970 (US) LEGG, Ashley James Nye Newton, Massachusetts 02458 (US) WILKINS, Robert Peterborough, New Hampshire 03458 (US) CHARLES, Robert A. New Boston, New Hampshire 03070 (US) CHAVES, Alex Hudson, New Hampshire 03051 (US) (74) Representative: Dummett Copp LLP  25 The Square Martlesham Heath Ipswich IP5 3SL Ipswich IP5 3SL (GB)